On April 29, 2022, the Prosecutor General's Office announced several facts of detentions and suspicions of citizens of Ukraine at once.

1. The prosecutor's office "delivered in absentia" a suspicion of treason (Article 111 of the Criminal Code of Ukraine) to the former mayor of Kherson (since March 2 under the control of Russian troops) Volodymyr Saldo).
https://www.gp.gov.ua/ua/posts/okupaciinomu-gubernatoru-xersonskoyi-oblasti-povidomleno-pro-pidozru-u-derzavnii-zradi
Saldo is the leader of the Volodymyr Saldo Bloc party, banned on March 20 by Zelensky's decree, and the head of the faction of this party in the Kherson City Council.
On April 26, he became the head of the Kherson regional administration.
Earlier, Saldo's assistant, Pavel Slobodchikov, was killed in Kherson. Kherson blogger Valeriy Kuleshov, Mayor of Kremennaya Volodymyr Struk, public figure of Novoaydar Pavel Sharogradsky were also killed.
High officials of the Kyiv government said that a special service operates in Ukraine, which, without trial, kills those they suspect of collaborating with Russian troops.

2. Detained the mayor of the city of Seredina Buda (Sumy region, under the control of Ukrainian troops) Alexander Gen.
https://www.gp.gov.ua/ua/posts/planuvav-zdati-misto-ta-nadavav-agresoru-dopomogu-v-zdiisnenni-pidrivnoyi-diyalnosti-vikrito-golovu-gromadi-na-sumshhini
The prosecutor's office accuses him of high treason for not organizing resistance to Russian troops who captured and then retreated from the Sumy region.
Many mayors did not organize such resistance in order to save the lives of civilians and keep their homes.

3. The prosecutor's office accused a resident of the village of Demidov near Kyiv (under the control of Ukrainian troops) of supporting the Russian army (Article 111-1 of the Criminal Code).
https://www.gp.gov.ua/ua/posts/na-kiyivshhini-povidomleno-pro-pidozru-kolaborantu-yakii-zabezpecuvav-okupantiv-yizeyu-ta-recami
During the stay of the Russian troops in the village, he supplied them with food and clothing.